Alderfer/Three Sisters Park is a mountain bike trail network in the Boulder, Golden & Nederland area, with 12 featured trails tracked here for daily conditions, the 7-day outlook, and the best time to ride.
Is Alderfer/Three Sisters Park rideable right now?
Right now about 11 of 12 Alderfer/Three Sisters Park trails are riding well. Conditions change daily with rain, so the list below shows the live read for each trail, and the chart shows which day ahead is your best bet.
Alderfer/Three Sisters Park conditions at a glancesnapshot · Jun 30
It depends on recent rain and the soil. The 10-day outlook on this page shows how many Alderfer/Three Sisters Park trails are expected to be riding well each day, with rain markers, so you can pick the right day. See the 10-day outlook →
How many mountain bike trails are in Alderfer/Three Sisters Park?
Alderfer/Three Sisters Park has 12 featured mountain bike trails tracked here for conditions. It's part of the Boulder, Golden & Nederland riding area in Colorado.
Where is Alderfer/Three Sisters Park?
Alderfer/Three Sisters Park is a mountain bike trail network in the Boulder, Golden & Nederland area of Colorado, running from about 7,369–8,179 ft. Open the live map for trailheads, GPX, and today's conditions on each trail. Open the live map →
Is Alderfer/Three Sisters Park too muddy to ride after rain?
Alderfer/Three Sisters Park is mostly decomposed granite soil, which drains fast and firms up quickly after rain. After a storm some trails firm up within a day while others stay greasy, so the live read above shows which are rideable before you drive out. Check the live conditions →
What is the best day this week to ride Alderfer/Three Sisters Park?
Based on the 10-day outlook, Tuesday looks best, with about 12 of 12 Alderfer/Three Sisters Park trails expected to ride well. The outlook chart above shows the full 10 days so you can time your ride.